Answers from top 10 papers
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| Papers (10) | Insight |
|---|---|
30 Citations | A catalytic reaction, most probably dehydration, occurs around 200 °C during temperature programmed desorption of butanol from CBV28014. |
| The obtained catalytic results suggested that the partial hydrogenation requires limited availability of hydrogen, and for this the migration through adsorbed species between the metal and support to initiate the hydrogenation, probably by a spillover mechanism, seems to be a required step. | |
125 Citations | Catalytic activity can be restored after temperature-programmed hydrogenation. |
17 Citations | Catalytic activity in CO hydrogenation is strongly influenced as a consequence of this phenomenon. |
16 Citations | This paper presents a novel process for n-butanol production which combines a fermentation consuming carbon dioxide (succinic acid fermentation) with subsequent catalytic reduction steps to add hydrogen to form butanol. |
157 Citations | As a result, a catalytic mechanism similar to that over a homogeneous Ir catalyst occurs during CO2 hydrogenation with this quasi-homogeneous Ir-based SAC. |
25 Citations | It is evident that the formation of CO2-amine adduct promotes the catalytic hydrogenation of CO2 on the surface of the catalyst. |
39 Citations | ZnO-supported Ru-Sn bimetallic catalysts exhibits unprecedentedly superior performance in the vapor-phase hydrogenation of biomass-derived butyric acid to n-butanol (>98% yield) for 3500 h without deactivation. |
8 Citations | The observation of 13 C 4 -1-butanol species during the CO hydrogenation reactions with 13 C 2 -ethanol co-feeds provides conclusive evidence of ethanol self-coupling to 1-butanol as a secondary pathway. |
272 Citations | The catalytic hydrogenation can be tuned to be a reversible process with the same catalyst at the expense of the activity, when triethanolamine was used as a base. |
Related Questions
What is general feature of 1-butanol?5 answers1-Butanol, a versatile alcohol, exhibits various characteristics and properties. It serves as a potential biofuel, showing promise as a green alternative to gasoline. In terms of its effects on cellular organelles, 1-butanol influences the morphology of the Golgi apparatus, distinct from other alcohols, and interacts with the GTPase ARF1, impacting cellular structures. Furthermore, 1-butanol is utilized in a heterogeneous azeotropic distillation process for ethanol dehydration, offering a different residue curve map structure compared to typical entrainers, although it may be economically less attractive than benzene for this purpose. Additionally, high-pressure thermophysical properties of 1-butanol are crucial for its application as a fuel additive, with experimental data providing insights into its speed of sound and other thermodynamic properties at varying pressures and temperatures.
Does the formation of butanal inhibit butanol production by clostridium?5 answersThe formation of butanal does not directly inhibit butanol production by Clostridium acetobutylicum. Instead, the inhibition of butanol production can be influenced by the presence of other solvents like acetone and ethanol. Strategies to enhance butanol production include genetic manipulation to improve the ratio of butanol in the fermentation products by blocking the synthesis of acetone. Additionally, optimizing the butanol-forming pathways within Clostridium acetobutylicum can significantly increase butanol production, with the direct butanol-forming pathway being more efficient than the acetone-butanol-ethanol pathway. Therefore, while butanal itself may not inhibit butanol production, the overall solvent composition and metabolic pathways within the organism play crucial roles in determining the efficiency of butanol production.
Butanol production from acetate using E.coli?5 answersButanol production from acetate using E. coli has been investigated in several studies. One study found that a modified Clostridium CoA-dependent butanol production pathway in E. coli was able to synthesize butanol from glucose, achieving a titer of 22.8 ± 1.8 g/L in a bench-top bioreactor. Another review focused on the biosynthesis of n-butanol in engineered E. coli, discussing efficient enzymes for butanol production, butanol competing pathways, and genome engineering strategies. The use of alternate strategies for butanol biosynthesis, alternate substrates for low-cost production, and genetic improvement for butanol tolerance in E. coli were also discussed. Overall, these studies demonstrate the potential of E. coli as a host for butanol production from acetate, highlighting the importance of metabolic engineering and optimization strategies.
What is the reaction mechanism of tris(4- aminophenyl)benzene and terephthalaldehyde by solvothermal synthesis in butanol?5 answersThe reaction mechanism of tris(4-aminophenyl)benzene and terephthalaldehyde by solvothermal synthesis in butanol has not been described in the abstracts provided.
How is the butanol production?5 answersButanol production can be achieved through various methods such as acetone-butanol-ethanol (ABE) fermentation and catalytic routes. ABE fermentation involves the use of bacteria and yeasts to convert carbohydrate-containing feedstocks into butanol. However, this method has limitations such as low butanol yield and the formation of byproducts like acetone and ethanol. To overcome these drawbacks, non-fermentative catalytic routes have been proposed, which involve the conversion of ethanol into butanol using metal and oxide catalysts, the use of volatile fatty acids as raw materials for butanol production, and the transformation of biomass-derived syngas into butanol using non-noble metal catalysts promoted by alkali metals. These advancements in butanol production techniques offer potential solutions for increasing butanol productivity and reducing the environmental impact of traditional petrol fuel.
What is the percentage of carbon emissions produced by butanol?2 answersButanol is mentioned in the abstract of Lin et al., which discusses the performance and emissions of a diesel generator using diesel-butanol-biodiesel blends. However, the abstract does not provide specific information about the percentage of carbon emissions produced by butanol.